A symmetrical bistable mechanism from combination of pre-shaped microbeams
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A symmetrical bistable mechanism from combination of pre-shaped microbeams - Accepted version.pdf
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Accepted manuscript
Embargo End Date:
2022-03-25
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ArticleDate
2020-03-19Online Publication Date
2020-03-19Print Publication Date
2020-05Embargo End Date
2022-03-25Submitted Date
2019-12-26Permanent link to this record
http://hdl.handle.net/10754/662384
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A bistable mechanism is proposed with symmetrical snap-through behavior between the two equilibrium positions. The mechanism is monolithic and does not require external axial load, as buckled beams. It consists of two pre-shaped beams of opposite curvature with similar properties and dimensions, which are connected after fabrication. The combination of the opposite pre-shaped beams, each having non-symmetrical bistability, results in total symmetric bistability. This symmetrical bistable mechanism provides the advantage of having the same switching force in the forward and backward directions. The concept of the new mechanism is presented, analyzed based on the snapping force curves, and tested experimentally on microfabricated prototypes.Citation
Hussein, H., Khan, F., & Younis, M. I. (2020). A symmetrical bistable mechanism from combination of pre-shaped microbeams. Sensors and Actuators A: Physical, 306, 111961. doi:10.1016/j.sna.2020.111961Sponsors
This research is supported by KAUST research fund.Publisher
Elsevier BVAdditional Links
https://linkinghub.elsevier.com/retrieve/pii/S0924424719323350ae974a485f413a2113503eed53cd6c53
10.1016/j.sna.2020.111961